winjim
Straddle the line, discord and rhyme
The big brands aren't daft, they adjust their package sizes appropriately. My FWDTSMFAWKMCFB* had to try and convince a customer that their "x for the price of y" promotion was indeed valid but you get less product in the bargain shops than in the supermarket, but they really didn't seem to understand. Eventually, to preserve brand image, they simply withdrew their products from the bargain shops.Such a ripoff often, for instance, you can buy 500g of Quaker oats for a pound or go into Waitrose (!) and get 1kg for £1.99 (or 2kg for £3.50). And it's probably even cheaper at other stores. And the home brand is even cheaper again.
In the case of Al drinks bottles, I have a cheapo one I got for doing a sportive or something, and a genuine Sigg bottle. The Sigg is much better and I can chuck it all over the place without fear of leakage, but the seal on the cheapo is rubbish and I have to keep it more or less upright. You really do get what you pay for.
*Friend who does the social media for a well known middle class food brand